Go deep down into the earth to experience the world of Welsh coal miners.

Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

The metal frame is all that's left of a wicker sculpture which once towered over the M5 motorway.

Last stop before the top of the highest peak in the world.

Jumping-off point for a climb up Mt. Everest is the most dangerous airport in the world.

Sacred Buddhist home of some spiritual monkeys.

This Australian beach is composed of tiny shells.

Living fossils in this remote Australian bay provide a glimpse of what Earth may have looked like 3.5 billion years ago.

Alien rock formations grown from the sands of an Australian national park.

A small, but award-winning beach known for its literally spotless reputation.

WWI hospital ship lost in a cyclone turns up on the coast of Fraser Island, where she remains rusted and forgotten.

The only pollutant in the clear blue water is sunscreen.

This historic observatory contains the world's oldest refracting lens telescope.

One of the first big sculptures anywhere in Australia.

Enormous statue of the Emperor of the Mongols.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

If you want to get married in the White Marble City of Ashgabat, you should do it in this surreal disco ball building.

A dictator's gold statue once rotated to face the sun on a 75-meter high marble tower.

A fiery crater has been burning in the Karakum Desert since 1971.

This chimerical bridge/tunnel appears to dead end right into the sea.

Flaming barrels of tar race through these village streets on Bonfire Night, a tradition that dates back centuries.

This ancient bridge made of stone slabs is said to be reserved for the devil to sunbathe.

A thin pane of glass keeps visitors from sliding off this futuristic skywalk.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.